#!/bin/sh

# Slackware build script for t38modem

# Copyright 2015  Christopher Walker Copperas Cove, TX
# All rights reserved.
# 
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=t38modem
VERSION=${VERSION:-2.0.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP

rm -rf $PRGNAM-$VERSION
tar xvf $CWD/${PRGNAM}_${VERSION}.orig.tar.gz
tar xvf $CWD/${PRGNAM}_${VERSION}-4.debian.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

#
# Apply patches
#
#patch -p1 <$TMP/debian/patches/simplify-makefile-new
patch -p1 <$TMP/debian/patches/t38modem-opal3.10-patch
patch -p1 <$TMP/debian/patches/spelling-error-fix
patch -p1 <$TMP/debian/patches/opal-3.10.7.patch
patch -p1 <$TMP/debian/patches/opal-3.10.9.patch

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
PTLIBDIR=/usr/share/ptlib \
OPALDIR=$TMP/opal-${OPALVER:-3.10.10} \
  make USE_UNIX98_PTY=1 USE_LEGACY_PTY=1 USE_OPAL=1 opt

# Install binaries, READMEs, etc.,
mkdir -p $PKG/usr/bin
install -o root -g root obj_linux_*_opal/t38modem $PKG/usr/bin

# Strip binaries and libraries
find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Install documentation
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/HylaFAX
cp -a \
  $TMP/$PRGNAM-$VERSION/Changes.txt \
  $TMP/$PRGNAM-$VERSION/ReadMe.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  $TMP/$PRGNAM-$VERSION/HylaFAX/config.ttyx \
  $PKG/usr/doc/$PRGNAM-$VERSION/HylaFAX
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Copy slack-desc to ./install
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Create package
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
